:root{--bg: #f6f4f0;--surface: #fffefc;--surface-2: #f1eee8;--surface-sunken: #e8e4dc;--border: #e2ddd4;--border-strong: #c3bcb0;--text: #1b1a17;--text-muted: #5b564d;--text-faint: #8a8478;--accent: #0b6555;--accent-text: #ffffff;--accent-soft: #e2f0ec;--danger: #a52a1e;--danger-soft: #fbeae7;--success: #0a6b45;--warning-bg: #fbf2da;--warning-border: #dcc078;--warning-text: #6b4a08;--canvas: #ffffff;--canvas-grid: #e9e6df;--selection: #0b6555;--focus: #084a3e;--shadow: 0 1px 1px rgba(28, 24, 16, .04), 0 6px 18px rgba(28, 24, 16, .07);--radius: 9px;--radius-sm: 6px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;color-scheme:light}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){--bg: #171614;--surface: #1f1e1b;--surface-2: #272522;--surface-sunken: #2f2d29;--border: #37342f;--border-strong: #4e4a42;--text: #f3f0ea;--text-muted: #b3ada1;--text-faint: #8b857a;--accent: #5ecfae;--accent-text: #10201b;--accent-soft: #1a332c;--danger: #f0958a;--danger-soft: #3a1f1b;--success: #6cd3a4;--warning-bg: #37301a;--warning-border: #7a682d;--warning-text: #f0e2ae;--canvas: #f2f3f5;--canvas-grid: #e0e3e8;--selection: #0b6555;--focus: #8fe6c9;--shadow: 0 1px 1px rgba(0, 0, 0, .4), 0 8px 22px rgba(0, 0, 0, .45);color-scheme:dark}}:root[data-theme=dark]{--bg: #171614;--surface: #1f1e1b;--surface-2: #272522;--surface-sunken: #2f2d29;--border: #37342f;--border-strong: #4e4a42;--text: #f3f0ea;--text-muted: #b3ada1;--text-faint: #8b857a;--accent: #5ecfae;--accent-text: #10201b;--accent-soft: #1a332c;--danger: #f0958a;--danger-soft: #3a1f1b;--success: #6cd3a4;--warning-bg: #37301a;--warning-border: #7a682d;--warning-text: #f0e2ae;--canvas: #f2f3f5;--canvas-grid: #e0e3e8;--selection: #0b6555;--focus: #8fe6c9;--shadow: 0 1px 1px rgba(0, 0, 0, .4), 0 8px 22px rgba(0, 0, 0, .45);color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:13.5px;line-height:1.45;font-variant-numeric:tabular-nums;-webkit-font-smoothing:antialiased;overscroll-behavior:none}button,input,select,textarea{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:4px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.skip-link{position:absolute;left:8px;top:-60px;z-index:100;padding:8px 12px;background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius-sm);transition:top .12s ease}.skip-link:focus{top:8px}.app{display:grid;grid-template-rows:auto 1fr auto;height:100%;min-height:0}.topbar{display:flex;align-items:center;gap:8px;padding:7px 10px 7px 14px;background:var(--surface);border-bottom:1px solid var(--border);flex-wrap:wrap}.brand{display:flex;align-items:center;gap:7px;font-weight:600;font-size:13px;letter-spacing:-.005em;color:var(--text-muted);padding-right:4px;margin-right:2px;border-right:1px solid var(--border)}.brand .mark{width:15px;height:15px;border-radius:4px;background:var(--accent);flex:0 0 auto}.board-name-input{min-width:10ch;max-width:32ch;padding:3px 6px;margin-left:-6px;background:transparent;border:1px solid transparent;border-radius:var(--radius-sm);font-size:14.5px;font-weight:600;letter-spacing:-.01em}.board-name-input:hover{background:var(--surface-2)}.board-name-input:focus{background:var(--surface-2);border-color:var(--border-strong)}.topbar-spacer{flex:1 1 auto}.btn{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;white-space:nowrap}.btn:hover:not(:disabled){background:var(--surface-2);border-color:var(--border-strong)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);border-color:var(--accent);color:var(--accent-text);font-weight:550}.btn-primary:hover:not(:disabled){background:var(--accent);filter:brightness(1.08)}.btn-danger{color:var(--danger);border-color:var(--border)}.btn-danger:hover:not(:disabled){background:var(--danger-soft);border-color:var(--danger)}.btn-ghost{background:transparent;border-color:transparent}.btn-ghost:hover:not(:disabled){background:var(--surface-2);border-color:transparent}.btn-quiet{background:transparent;border-color:transparent;color:var(--text-muted);font-weight:500}.btn-quiet:hover:not(:disabled){background:var(--surface-2);border-color:transparent;color:var(--text)}.btn-quiet[aria-expanded=true],.btn-quiet[aria-pressed=true]{background:var(--surface-2);color:var(--text)}.btn-icon{width:30px;height:30px;padding:0;display:grid;place-items:center;background:transparent;border-color:transparent;color:var(--text-muted)}.btn-icon:hover:not(:disabled){background:var(--surface-2);border-color:transparent;color:var(--text)}.btn-icon[aria-pressed=true]{background:var(--accent-soft);color:var(--accent)}.topbar-group{display:flex;align-items:center;gap:2px;padding-left:6px;margin-left:2px;border-left:1px solid var(--border)}.btn-sm{padding:3px 7px;font-size:12px}.banner{display:flex;align-items:flex-start;gap:10px;padding:8px 14px;background:var(--warning-bg);border-bottom:1px solid var(--warning-border);color:var(--warning-text);font-size:13px}.banner strong{font-weight:650}.banner .btn{background:transparent;border-color:var(--warning-border);color:inherit}.workspace{position:relative;min-height:0;display:flex}.canvas-host{position:relative;flex:1 1 0;min-width:0;min-height:0;background:var(--canvas);overflow:hidden}.canvas-host canvas{position:absolute;inset:0;display:block;touch-action:none}.canvas-host:focus-visible{outline:2px solid var(--focus);outline-offset:-2px}.render-fault{position:absolute;z-index:5;left:50%;top:24px;transform:translate(-50%);max-width:min(460px,calc(100% - 32px));display:flex;flex-direction:column;gap:6px;padding:12px 14px;background:var(--danger-soft);border:1px solid var(--danger);border-radius:var(--radius);color:var(--text);font-size:13px}.floating{position:absolute;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.tool-rail{flex:0 0 auto;padding:6px;display:flex;flex-direction:column;gap:4px;background:var(--surface);border-right:1px solid var(--border);overflow-y:auto;min-height:0}.tool-btn{width:40px;height:40px;display:grid;place-items:center;background:transparent;border:1px solid transparent;border-radius:var(--radius-sm);cursor:pointer;position:relative}.tool-btn:hover{background:var(--surface-2)}.tool-btn[aria-pressed=true]{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}.tool-btn kbd{position:absolute;right:3px;bottom:1px;padding:0;border:0;background:none;font-family:var(--mono);font-size:9px;line-height:1;opacity:0;color:var(--text-faint);transition:opacity .12s ease}.tool-rail:hover .tool-btn kbd{opacity:.55}.tool-btn[aria-pressed=true] kbd{color:var(--accent)}.tool-rail hr{border:0;border-top:1px solid var(--border);margin:2px 4px;width:100%}.right-rail{flex:0 0 268px;width:268px;min-width:0;max-width:268px;background:var(--surface);border-left:1px solid var(--border);display:flex;flex-direction:column;min-height:0;overflow:hidden}.style-panel{padding:12px 14px 16px;display:flex;flex-direction:column;gap:14px;flex:0 0 auto;overflow-y:auto}.style-panel:not(:last-child){border-bottom:1px solid var(--border)}.field{display:flex;flex-direction:column;gap:5px}.field>.label{font-size:12px;font-weight:500;color:var(--text-muted)}.swatches{display:flex;gap:5px;flex-wrap:wrap}.swatch{width:24px;height:24px;border-radius:6px;border:1px solid var(--border-strong);cursor:pointer;padding:0;position:relative}.swatch[aria-pressed=true]{box-shadow:0 0 0 2px var(--surface),0 0 0 4px var(--accent)}.swatch-none{background:var(--surface);background-image:linear-gradient(45deg,transparent 44%,var(--danger) 44%,var(--danger) 56%,transparent 56%)}.seg{display:flex;gap:4px}.seg button{flex:1 1 0;padding:5px 0;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;font-size:12px}.seg button[aria-pressed=true]{background:var(--accent-soft);border-color:var(--accent);color:var(--accent);font-weight:600}input[type=range]{width:100%;accent-color:var(--accent)}.side-panel{flex:1 1 auto;display:flex;flex-direction:column;min-height:0}.panel-head{display:flex;align-items:baseline;justify-content:space-between;gap:8px;font-size:13px;font-weight:600;color:var(--text)}.panel-head .count{font-weight:400;font-size:12px;color:var(--text-faint)}.side-panel header{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 12px;border-bottom:1px solid var(--border);font-weight:600}.side-panel .scroll{overflow-y:auto;padding:8px;min-height:0}.element-row{width:100%;display:flex;align-items:center;gap:8px;padding:7px 9px;background:transparent;border:1px solid transparent;border-radius:var(--radius-sm);cursor:pointer;text-align:left}.element-row:hover{background:var(--surface-2)}.element-row[aria-current=true]{background:var(--accent-soft);border-color:var(--accent)}.element-row .type{font-family:var(--mono);font-size:11px;color:var(--text-muted);flex:0 0 auto;width:8ch}.element-row .desc{flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.zoom-bar{display:flex;align-items:center;gap:2px}.zoom-bar .value{min-width:5ch;text-align:center;font-variant-numeric:tabular-nums;font-size:12px;color:var(--text-muted)}.peer-badges{pointer-events:none;right:12px;top:12px;display:flex;align-items:center;gap:8px;padding:6px 10px;font-size:12px;color:var(--text-muted)}.peer-dot{width:9px;height:9px;border-radius:50%;display:inline-block}.empty-state{position:absolute;inset:0;display:grid;place-items:center;pointer-events:none;padding:24px}.empty-state .card{pointer-events:none;max-width:420px;text-align:center;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px 24px}.empty-state h2{margin:0 0 6px;font-size:16px}.empty-state p{margin:0 0 14px;color:var(--text-muted)}.empty-state .card button{pointer-events:auto}.empty-state .actions{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}.text-editor{position:absolute;margin:0;padding:0;border:0;outline:0;resize:none;overflow:hidden;background:transparent;box-shadow:0 0 0 1px var(--accent);white-space:pre-wrap;overflow-wrap:break-word}.statusbar{display:flex;align-items:center;gap:0;padding:0 8px 0 14px;min-height:30px;background:var(--surface);border-top:1px solid var(--border);font-size:12px;color:var(--text-muted)}.statusbar .cell{display:flex;align-items:center;gap:6px;padding:0 11px;white-space:nowrap}.statusbar .cell:first-child{padding-left:0}.statusbar .cell+.cell{border-left:1px solid var(--border)}.statusbar .strong{color:var(--text)}.statusbar .dot{width:6px;height:6px;border-radius:50%;background:var(--text-faint);display:inline-block;margin-right:5px}.statusbar .dot.saved{background:var(--success)}.statusbar .dot.pending,.statusbar .dot.saving{background:var(--warning-border)}.statusbar .dot.error{background:var(--danger)}.statusbar .spacer{flex:1 1 auto}.statusbar .zoom-bar{gap:1px}.statusbar .btn-icon{width:26px;height:24px}.statusbar .value{min-width:5ch;text-align:center;color:var(--text-muted)}.statusbar .value:hover{color:var(--text)}.statusbar code{font-family:var(--mono);font-size:11px}.backdrop{position:fixed;inset:0;background:#10182873;display:grid;place-items:center;padding:20px;z-index:40}.dialog{background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);width:min(620px,100%);max-height:min(80vh,720px);display:flex;flex-direction:column;min-height:0}.dialog header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 18px;border-bottom:1px solid var(--border)}.dialog h2{margin:0;font-size:15px}.dialog .body{padding:16px 18px;overflow-y:auto;min-height:0}.dialog footer{display:flex;justify-content:flex-end;gap:8px;padding:12px 18px;border-top:1px solid var(--border)}.board-list{display:flex;flex-direction:column;gap:6px}.board-item{display:flex;align-items:center;gap:10px;padding:9px 11px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface)}.board-item[aria-current=true]{border-color:var(--accent);background:var(--accent-soft)}.board-item .open{flex:1 1 auto;display:flex;flex-direction:column;gap:1px;background:transparent;border:0;padding:0;cursor:pointer;text-align:left}.board-item .name{font-weight:550}.board-item .meta{font-size:12px;color:var(--text-muted)}.badge{font-size:11px;font-weight:500;padding:1px 7px;border-radius:999px;background:var(--warning-bg);border:1px solid var(--warning-border);color:var(--warning-text)}.error-list{margin:0;padding-left:18px;font-family:var(--mono);font-size:12px;color:var(--danger);display:flex;flex-direction:column;gap:4px;max-height:260px;overflow-y:auto}.shortcut-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:18px 26px}.shortcut-grid section h3{margin:0 0 7px;font-size:12.5px;font-weight:600;color:var(--text-muted)}.shortcut-grid dl{margin:0;display:grid;grid-template-columns:1fr auto;gap:4px 10px;align-items:baseline}.shortcut-grid dt{color:var(--text)}.shortcut-grid dd{margin:0}kbd{font-family:var(--mono);font-size:11px;padding:1px 5px;border:1px solid var(--border-strong);border-bottom-width:2px;border-radius:4px;background:var(--surface-2);white-space:nowrap}.prose{color:var(--text-muted);font-size:13px}.prose p{margin:0 0 10px}.prose ul{margin:0 0 10px;padding-left:18px}.toasts{position:fixed;right:16px;bottom:46px;display:flex;flex-direction:column;gap:8px;z-index:50;max-width:min(400px,calc(100vw - 32px))}.toast{display:flex;align-items:flex-start;gap:10px;padding:10px 12px;background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--text-faint);border-radius:var(--radius-sm);box-shadow:var(--shadow);font-size:13px}.toast.success{border-left-color:var(--success)}.toast.error{border-left-color:var(--danger)}.toast.info{border-left-color:var(--accent)}.toast .close{background:transparent;border:0;cursor:pointer;color:var(--text-faint);padding:0 2px;line-height:1}.boot{height:100%;display:grid;place-items:center;gap:10px}.boot .card{text-align:center;color:var(--text-muted)}.spinner{width:22px;height:22px;margin:0 auto 10px;border:2px solid var(--border-strong);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion: reduce){.spinner{animation-duration:2s}.skip-link{transition:none}}.menu-wrap{position:relative}.menu{position:absolute;left:0;top:calc(100% + 5px);min-width:216px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:5px;z-index:30;display:flex;flex-direction:column}.menu-wrap .chev{display:inline-flex;color:var(--text-faint);transition:transform .12s ease}.menu-wrap .chev[data-open=true]{transform:rotate(180deg)}.menu .sep{border-top:1px solid var(--border);margin-top:4px;padding-top:4px}.menu button{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:6px 9px;background:transparent;border:0;border-radius:var(--radius-sm);cursor:pointer;text-align:left}.menu button:hover:not(:disabled){background:var(--surface-2)}.menu button:disabled{opacity:.45;cursor:not-allowed}.menu hr{border:0;border-top:1px solid var(--border);margin:4px 2px}.menu .hint{padding:4px 9px 6px;font-size:11px;color:var(--text-faint)}